CVE WATCH / VULNERABILITY DETAIL
CVE-2026-110869
HIGHCVSS 7.5NVD feed
Published 14 October 2026 · tracked since 15 October 2026
Description
Nodemailer 3.0.0 before 10.0.13 has a regular expression denial of service in SMTPConnection._actionEHLO, whose four AUTH mechanism detection regexes contain overlapping whitespace sub-patterns that backtrack quadratically. A malicious or man-in-the-middle SMTP server can reply to EHLO with 250-AUTH
References
- NVD — National Vulnerability Database
- CVE.org record (MITRE)
- CISA Known Exploited Vulnerabilities catalog
Latest tracked vulnerabilities
- CVE-2026-110923 MEDIUM 6.5
- CVE-2026-3712 HIGH 7.3
- CVE-2026-14572 MEDIUM 6.4
- CVE-2026-108587 CRITICAL 9.8
- CVE-2026-110911 CRITICAL 9.8
- CVE-2026-77931 HIGH 8.8
- CVE-2026-109430 HIGH 7.5
- CVE-2026-21589
- CVE-2026-110872 MEDIUM 5.9
- CVE-2026-110871 MEDIUM 6.5